Robert Whitaker admits he was disappointed not to beat GSP

Ahead of UFC 221: Whittaker vs. Rockhold, Robert Whitaker talks about Luke Rockhold as an opponent, becoming the UFC undisputed middleweight champion, Georges St-Pierre vacating the belt and not being able to fight him, Kelvin Gastelum calling him out and saying Rockhold was the “easier” fight, the home crowd advantage, fighting Floyd Mayweather, surpassing Anderson Silva’s title reign and becoming the best ever, and more!